<?php

namespace app\admin\controller;

use app\common\controller\Backend;
use app\common\exception\UploadException;
use app\common\library\Upload;
use app\common\model\Images;
use Exception;
use think\Config;
use think\Db;
use think\exception\PDOException;
use think\exception\ValidateException;

/**
 *
 *
 * @icon fa fa-circle-o
 */
class Banner extends Backend
{

    /**
     * Banner模型对象
     * @var \app\common\model\Banner
     */
    protected $model = null;

    public function _initialize()
    {
        parent::_initialize();
        $this->model = new \app\common\model\Banner;

    }


    /**
     * 默认生成的控制器所继承的父类中有index/add/edit/del/multi五个基础方法、destroy/restore/recyclebin三个回收站方法
     * 因此在当前控制器中可不用编写增删改查的代码,除非需要自己控制这部分逻辑
     * 需要将application/admin/library/traits/Backend.php中对应的方法复制到当前控制器,然后进行修改
     */

    public function index()
    {
        //设置过滤方法
        $this->request->filter(['strip_tags', 'trim']);
        if ($this->request->isAjax()) {
            //如果发送的来源是Selectpage，则转发到Selectpage
            if ($this->request->request('keyField')) {
                return $this->selectpage();
            }
            list($where, $sort, $order, $offset, $limit) = $this->buildparams();
            $list = $this->model
                ->where($where)
                ->order('sort desc')
                ->paginate($limit);
            $result = array("total" => $list->total(), "rows" => $list->items());
            return json($result);
        }
        return $this->view->fetch();
    }


    public function add()
    {
        if ($this->request->isPost()) {
            $params = $this->request->post("row/a");
            if ($params) {
                $params = $this->preExcludeFields($params);

                if ($this->dataLimit && $this->dataLimitFieldAutoFill) {
                    $params[$this->dataLimitField] = $this->auth->id;
                }
                $result = false;
                Db::startTrans();
                try {
                    if ($params['type'] == 0) { //小程序内部链接
                        $params['content'] = '';
                    } elseif ($params['type'] == 1) {//网址
                        $params['link_type'] = $params['content'] = '';
                    } elseif ($params['type'] == 2) {//富文本
                        $params['link_type'] = $params['link'] = '';
                    } else {
                        $params['link_type'] = $params['link'] = $params['content'] = '';
                    }
                    $result = $this->model->allowField(true)->save($params);
                    Db::commit();
                } catch (Exception $e) {
                    Db::rollback();
                    $this->error($e->getMessage());
                }
                if ($result !== false) {
                    $this->success();
                } else {
                    $this->error(__('No rows were inserted'));
                }
            }
            $this->error(__('Parameter %s can not be empty', ''));
        }
        return $this->view->fetch();
    }

    public function edit($ids = null)
    {
        $row = $this->model->get($ids)->toArray();
        if (!$row) {
            $this->error(__('No Results were found'));
        }
        $adminIds = $this->getDataLimitAdminIds();
        if (is_array($adminIds)) {
            if (!in_array($row[$this->dataLimitField], $adminIds)) {
                $this->error(__('You have no permission'));
            }
        }
        if ($this->request->isPost()) {
            $params = $this->request->post("row/a");
            if ($params) {
                $params = $this->preExcludeFields($params);
                $result = false;
                Db::startTrans();
                try {
                    if ($params['type'] == 0) { //小程序内部链接
                        $params['content'] = '';
                    } elseif ($params['type'] == 1) {//网址
                        $params['link_type'] = $params['content'] = '';
                    }elseif ($params['type'] == 2) {//富文本
                        $params['link_type'] = $params['link'] = '';
                    } else {
                        $params['link_type'] = $params['link'] = $params['content'] = '';
                    }
                    $result = $this->model->allowField(true)->save($params,['id'=>$row['id']]);
                    Db::commit();
                } catch (Exception $e) {
                    Db::rollback();
                    $this->error($e->getMessage());
                }
                if ($result !== false) {
                    $this->success();
                } else {
                    $this->error(__('No rows were updated'));
                }
            }
            $this->error(__('Parameter %s can not be empty', ''));
        }
        $this->view->assign("row", $row);
        return $this->view->fetch();
    }


/**
 * 上传文件
 */
public
function upload()
{
    Config::set('default_return_type', 'json');
    //必须设定cdnurl为空,否则cdnurl函数计算错误
    Config::set('upload.cdnurl', '');
    $attachment = null;
    //默认普通上传文件
    $file = $this->request->file('file');
    try {
        $upload = new Upload($file);
        $attachment = $upload->upload('uploads/banner/' . md5(time()));
    } catch (UploadException $e) {
        $this->error($e->getMessage());
    }

    $this->success(__('Uploaded successful'), '', ['url' => $attachment->url, 'fullurl' => cdnurl($attachment->url, true)]);
}

}
